I started learning Clojure a couple of weeks ago. Tough my brain is hurting, I must say that I really enjoy it. It is so refreshing! Clojure has been on my radar for a year or two, but that video from Rich Hickey gives me the motivation to actually start learning it. I am currently using the labrepl to practice writing clojure code. Nice stuff!
Browsing through Github, you can find a couple of really high-quality projects written in Clojure, like Compojure and Leiningen. It always amazes me to see how fast the community can build around a promising new language.
Last week, Eugene Wallingford says that the time is right for functional design patterns.